@article{05243064,
title = {The method of upper and lower solutions for second-order non-homogeneous two-point boundary-value problem.},
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {2007},
year = {2007},
zbl = {1138.34009},
language = {en},
url = {http://dml.mathdoc.fr/item/05243064}
}
Jia, Mei; Liu, Xiping. The method of upper and lower solutions for second-order non-homogeneous two-point boundary-value problem.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2007 (2007) . http://gdmltest.u-ga.fr/item/05243064/